Plantronics Explorer 50 Bluetooth Headset - Retail Packaging - Black - 202340-21 Talk time: 11 hours, Deep Sleep mode allows up to 3 months battery life Bluetooth version 3.0, Bluetooth profiles: HSP, HFP, A2DP Wideband audio supported, Voice-guided pairing for easy first-time pairing Single microphone with digital signal processing (DSP), Compatible with Plantronics mobile apps such as iOS/Android Battery Meters, Find MyHeadset, and Plantronics Hub Multipoint technology allows connection to multiple headsets. Please Note: Kindly refer the User Manual before use.